Perhaps you should try some spelling variations:
"johannes van beethoven" » "johannes de beethoven", "johannes von beethoven", "johannes a beethoven", "johannes _ beethoven"
"johannes c beethoven" » "johannes _ beethoven", "johannes b beethoven", "johannes de beethoven"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("johannes van beethoven") OR ("johannes c beethoven")).
• Removing quotes may allow a broader search: (( johannes van beethoven ) or ( johannes c beethoven )).
• Adding a wildcard symbol may retrieve word variants: (("johannes van beethoven") or ("johannes c beethoven"))*.